static void context_callback(pa_context *context, void *userdata)
{
struct ausrv *ausrv = (struct ausrv *)userdata;
int err = 0;
const char *strerr;
if (context == NULL) {
LOG_ERROR("%s() called with zero context", __FUNCTION__);
return;
}
if (ausrv == NULL || ausrv->context != context) {
LOG_ERROR("%s(): Confused with data structures", __FUNCTION__);
return;
}
switch (pa_context_get_state(context)) {
case PA_CONTEXT_CONNECTING:
TRACE("ausrv: connecting to server");
set_connection_status(ausrv, DISCONNECTED);
break;
case PA_CONTEXT_AUTHORIZING:
TRACE("ausrv: authorizing");
set_connection_status(ausrv, DISCONNECTED);
break;
case PA_CONTEXT_SETTING_NAME:
TRACE("ausrv: setting name");
set_connection_status(ausrv, DISCONNECTED);
break;
case PA_CONTEXT_READY:
TRACE("ausrv: connection established.");
set_connection_status(ausrv, CONNECTED);
cancel_timer(ausrv);
LOG_INFO("Pulse Audio OK");
break;
case PA_CONTEXT_TERMINATED:
TRACE("ausrv: connection to server terminated");
goto disconnect;
case PA_CONTEXT_FAILED:
default:
if ((err = pa_context_errno(context)) != 0) {
if ((strerr = pa_strerror(err)) == NULL)
strerr = "<unknown>";
LOG_ERROR("ausrv: server connection failure: %s", strerr);
}
disconnect:
set_connection_status(ausrv, DISCONNECTED);
stream_kill_all(ausrv);
restart_timer(ausrv, CONNECT_DELAY);
}
}
/*
* Disconnect from database
* returns 0 if disconnection was needed
*/
int oralog_db_disconnect()
{
pthread_mutex_lock(&oralog_oper_lock);
if (!oralog_is_connected()) {
debug("[logsoracle] attemping to disconnect a dead connection\n");
pthread_mutex_unlock(&oralog_oper_lock);
return 1;
}
debug("[logsoracle] disconnecting.. ");
free_global_handles();
set_connection_status(0);
debug("disconnected\n");
pthread_mutex_unlock(&oralog_oper_lock);
return 0;
}
/*
* Connect to database.
* db_login - database login
* db_password - database password
* return : DB_CONNECT_NEW_CONNECTION if a new connection was estabilished
* DB_CONNECT_ALREADY_CONNECTED or
* DB_CONNECT_ERROR
*/
int oralog_db_connect(char *db_login, char *db_password, int quiet)
{
int print_errors = (quiet) ? 0 : 1;
int errors = 0;
sword retval = 0;
OCIError *hp_error = NULL;
pthread_mutex_lock(&oralog_oper_lock);
if (oralog_is_connected()) {
debug("[logsoracle] already connected\n");
pthread_mutex_unlock(&oralog_oper_lock);
return DB_CONNECT_ALREADY_CONNECTED;
}
debug("[logsoracle] connecting.. ");
/* initialize the mode to be the threaded and object environment */
OCIEnvCreate(&hp_env, OCI_THREADED|OCI_OBJECT, (dvoid *)0, 0, 0, 0, (size_t) 0, (dvoid **)0);
/* allocate a server handle */
OCIHandleAlloc((dvoid *)hp_env, (dvoid **)&hp_server, OCI_HTYPE_SERVER, 0, (dvoid **) 0);
/* allocate an error handle */
OCIHandleAlloc((dvoid *)hp_env, (dvoid **)&hp_error, OCI_HTYPE_ERROR, 0, (dvoid **) 0);
/* create a server context */
/* TODO: dblink can be set here */
retval = OCIServerAttach(hp_server, hp_error, (text *)0, 0, OCI_DEFAULT);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
/* allocate a service handle */
OCIHandleAlloc((dvoid *)hp_env, (dvoid **)&hp_service, OCI_HTYPE_SVCCTX, 0, (dvoid **) 0);
/* associate server handle with service handle*/
retval = OCIAttrSet((dvoid *)hp_service, OCI_HTYPE_SVCCTX, (dvoid *)hp_server, (ub4) 0, OCI_ATTR_SERVER, hp_error);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
/* allocate a session handle */
OCIHandleAlloc((dvoid *)hp_env, (dvoid **)&hp_session, OCI_HTYPE_SESSION, 0, (dvoid **) 0);
/* set username in session handle */
retval = OCIAttrSet((dvoid *)hp_session, OCI_HTYPE_SESSION, (dvoid *)db_login, (ub4)ora_strlen(db_login), OCI_ATTR_USERNAME, hp_error);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
/* set password in session handle */
retval = OCIAttrSet((dvoid *)hp_session, OCI_HTYPE_SESSION, (dvoid *)db_password, (ub4)ora_strlen(db_password), OCI_ATTR_PASSWORD, hp_error);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
retval = OCISessionBegin ((dvoid *)hp_service, hp_error, hp_session, OCI_CRED_RDBMS, OCI_DEFAULT);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
/* associate session with service context */
retval = OCIAttrSet ((dvoid *)hp_service, OCI_HTYPE_SVCCTX, (dvoid *)hp_session, (ub4) 0, OCI_ATTR_SESSION, hp_error);
if(oralog_is_error(hp_error, retval, print_errors))
errors++;
/* free local handles */
if(hp_error)
OCIHandleFree(hp_error, OCI_HTYPE_ERROR);
if (errors) {
debug("[logsoracle] errors encounterd - cleaning up connection\n");
free_global_handles();
set_connection_status(0);
pthread_mutex_unlock(&oralog_oper_lock);
return DB_CONNECT_ERROR;
}
set_connection_status(1);
debug("connected\n");
pthread_mutex_unlock(&oralog_oper_lock);
return DB_CONNECT_NEW_CONNECTION;
}
